Buffoni, BorisJeanjean, LouisStuart, Charles Alexander2008-12-102008-12-102008-12-10199310.1090/S0002-9939-1993-1145940-Xhttps://infoscience.epfl.ch/handle/20.500.14299/32427WOS:A1993LW91400025superquadratic growthstrongly indefinite equationLyapunov-Schmidt reductionMountain Pass theorem withoutPalais-Smale conditionChoquard-Pekar equationExistence of a nontrivial solution to a strongly indefinite semilinear equationtext::journal::journal article::research article