%0 Journal Article
%A A. A. Ageev
%T Complexity of the network problem of a median on planar lattices
%J Matematičeskie trudy
%D 1994
%P 6-13
%V 27
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MT_1994_27_a1/
%G ru
%F MT_1994_27_a1