%0 Journal Article %A G. D. Babe %A E. L. Gusev %T On the degeneracy of the necessary conditions of optimality in problems of synthesizing optical interference coatings %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1986 %P 1422-1427 %V 26 %N 9 %U http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_9_a15/ %G ru %F ZVMMF_1986_26_9_a15