| Variational elliptic problems which are nonquadratic at infinity DG Costa, CA Magalhaes Nonlinear Analysis 23 (11), 1401-1412, 1994 | 276 | 1994 |
| On a Class of Elliptic Systems in R (N) DG Costa Southwest Texas State University, Department of Mathematics, 1994 | 199 | 1994 |
| Existence results for perturbations of the p-Laplacian DG Costa, CA Magalhães Nonlinear Analysis: Theory, Methods & Applications 24 (3), 409-418, 1995 | 175 | 1995 |
| An invitation to variational methods in differential equations DG Costa Birkhäuser, 2007 | 145 | 2007 |
| A variational approach to subquadratic perturbations of elliptic systems DG Costa, CA Magalhaes Journal of Differential Equations 111 (1), 103-122, 1994 | 139 | 1994 |
| A unified approach to a class of strongly indefinite functionals DG Costa, CA Magalhaes journal of differential equations 125 (2), 521-547, 1996 | 113 | 1996 |
| Nontrivial solutions for perturbations of the p-Laplacian on unbounded domains DG Costa, OH Miyagaki Journal of Mathematical Analysis and Applications 193 (3), 737-755, 1995 | 113 | 1995 |
| On a class of asymptotically linear elliptic problems in RN DG Costa, H Tehrani Journal of Differential Equations 173 (2), 470-494, 2001 | 88 | 2001 |
| A variational approach to noncooperative elliptic systems DG Costa, CA Magalhaes Nonlinear Analysis: Theory, Methods & Applications 25 (7), 699-715, 1995 | 80 | 1995 |
| Existence of positive solutions for a class of indefinite elliptic problems in DG Costa, H Tehrani Calculus of Variations and Partial Differential Equations 13 (2), 159-189, 2001 | 75 | 2001 |
| The Palais-Smale condition versus coercivity DG Costa, EABE Silva Nonlinear Analysis: Theory, Methods & Applications 16 (4), 371-381, 1991 | 69 | 1991 |
| Existence of solution for a class of semilinear elliptic problems at double resonance DG Costa, AS Oliveira Boletim da Sociedade Brasileira de Matemática-Bulletin/Brazilian …, 1988 | 69 | 1988 |
| Critical point theory for nondifferentiable functionals and applications DG Costa, JVA Gonçalves Journal of Mathematical Analysis and Applications 153 (2), 470-485, 1990 | 58 | 1990 |
| Some new and short proofs for a class of Caffarelli–Kohn–Nirenberg type inequalities DG Costa Journal of mathematical analysis and applications 337 (1), 311-317, 2008 | 52 | 2008 |
| Multiplicity results for a class of superlinear elliptic problems D Costa, ZQ Wang Proceedings of the American Mathematical Society 133 (3), 787-794, 2005 | 45 | 2005 |
| The exact number of solutions for a class of ordinary differential equations through Morse index computation DG Costa, DG De Figueiredo, PN Srikanth Journal of differential equations 96 (1), 185-199, 1992 | 37 | 1992 |
| Oscillatory perturbations of linear problems at resonance D Costa, H Jeggle, R Schaaf, K Schmitt Results in Mathematics 14, 275-287, 1988 | 36 | 1988 |
| On a class of resonant problems at higher eigenvalues DG Costa, EA Silva | 35 | 1995 |
| Nontrivial solutions for a strongly resonant problem D Arcoya, DG Costa | 35 | 1995 |
| A numerical investigation of sign-changing solutions to superlinear elliptic equations on symmetric domains DG Costa, Z Ding, JM Neuberger Journal of computational and applied mathematics 131 (1-2), 299-319, 2001 | 33 | 2001 |
