%0 Journal Article %A A. G. Chkhartishvili %A E. V. Shikin %T Dynamic search and detection problems on some closed surfaces %J Differencialʹnye uravneniâ %D 1993 %P 1948-1957 %V 29 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_11_a10/ %G ru %F DE_1993_29_11_a10