%0 Journal Article %A O. M. Penkin %A Yu. V. Pokornyi %T On some qualitative properties of equations on a~one-dimensional $CW$-complex %J Matematičeskie zametki %D 1996 %P 777-780 %V 59 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1996_59_5_a15/ %G ru %F MZM_1996_59_5_a15