%0 Journal Article %A M. I. Kanovitch %A B. A. Kushner %T On an estimation of the complexity of some algorithmic problems of analysis %J Zapiski Nauchnykh Seminarov POMI %D 1969 %P 81-90 %V 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1969_16_a8/ %G ru %F ZNSL_1969_16_a8