%0 Journal Article %A R. V. Gamkrelidze %T Mathematical Work of L.\,S.~Pontryagin %J Informatics and Automation %D 1999 %P 14-27 %V 224 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1999_224_a1/ %G ru %F TRSPY_1999_224_a1