%0 Journal Article
%A A. Yu. Solynin
%T Some extremal problems for pairs of functions without common values
%J Zapiski Nauchnykh Seminarov POMI
%D 1987
%P 159-169
%V 160
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1987_160_a14/
%G ru
%F ZNSL_1987_160_a14