%0 Journal Article %A Fučík, Svatopluk %T Nonlinear equations with noninvertible linear part %J Czechoslovak Mathematical Journal %D 1974 %P 467-495 %V 24 %N 3 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1974.101262/ %R 10.21136/CMJ.1974.101262 %G en %F 10_21136_CMJ_1974_101262