%0 Journal Article
%A M. I. Sumin
%T Suboptimal control of semilinear elliptic equations with phase constraints.~I. The maximum principle for minimizing sequences and normality
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 2000
%P 33-44
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_2000_6_a4/
%G ru
%F IVM_2000_6_a4