%0 Journal Article %A R. März %T On correctness and numerical treatment of boundary value problems in differential-algebraic equations %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1986 %P 50-64 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_1_a4/ %G en %F ZVMMF_1986_26_1_a4