1 |
A. Castro and J. Cossio, Multiple Solutions for a nonlinear Dirichlet problem, SIAM J. Math. Anal. 25, (6) (1994), 1554-1561.
DOI
ScienceOn
|
2 |
A. Castro and A. C. Lazer, Critical point theory and the number of solutions of a nonlinear Dirichlet problem, Ann. Mat. Pura Appl. 120 (4) (1979), 113-137.
DOI
|
3 |
M. Degiovanni, Homotopical properties of a class of nonsmooth functions, Ann. Mat. Pura Appl. 156 (1990), 37-71.
DOI
|
4 |
A. Groli, A. Marino and C. Saccon, Variational theorems of mixed type and asymptotically linear variational inequalities, Topol. Methods Nonlinear Anal. 12 (1998), 109-136.
DOI
|
5 |
K.S. Ha and Y.H. Lee, Existence of multiple positive solutions of singular boundary value problems, Nonlinear Anal. TMA, 28 (1997), 1429-1438.
DOI
ScienceOn
|
6 |
K. Lan and R.L. Webb, Positive solutions of semilinear equation with singularities, J. Differential Equations, 148 (1998), 407-421.
DOI
ScienceOn
|
7 |
A. M. Micheletti and A. Pistoia, Multiplicity results for a fourth-order semilinear elliptic problem, Nonlinear Anal. TMA, 31 (7) (1998), 895-908.
DOI
ScienceOn
|
8 |
P. H. Rabinowitz, Minimax methods in critical point theory with applications to differential equations, CBMS Reg. Conf. Ser. in Math. 6, Amer. Math. Soc., Providence, RI, 1986.
|