%0 Journal Article %A I. G. Sevruk %T Approximate solution of the problem of cooling the heated ball immersed in a spherical layer of liquid %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1959 %P 204-211 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1959_1_a20/ %G ru %F IVM_1959_1_a20