%0 Journal Article %A V. A. Zalgaller %A O. M. Merkulova %T Analogues of the Appollonian circle on the Lobachevsky plane and on sphere %J Zapiski Nauchnykh Seminarov POMI %D 1998 %P 21-32 %V 252 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1998_252_a2/ %G ru %F ZNSL_1998_252_a2