%0 Journal Article
%A A. P. Makhmudov
%A Z. S. Aliyev
%T Nondifferentiable perturbations of spectral problems for a~pair of selfadjoint operators and global bifurcation
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1990
%P 44-52
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1990_1_a6/
%G ru
%F IVM_1990_1_a6