%0 Journal Article %A Shibata, Tetsutaro %T Spectral asymptotics for nonlinear multiparameter problems with indefinite nonlinearities %J Czechoslovak Mathematical Journal %D 1999 %P 317-340 %V 49 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_1999__49_2_a8/ %G en %F CMJ_1999__49_2_a8