%0 Journal Article %A Yu. I. Zhuravlev %T Principles of construction of justification of algorithms for the solution of badly formalized problems %J Matematičeskie zametki %D 1978 %P 899-914 %V 23 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1978_23_6_a13/ %G ru %F MZM_1978_23_6_a13