Kondratyeva, L. A. Questions and problems in high-school mathematics / L. A. Kondratyeva, v. s. Solomonik ; translated from Russian by Irene Aleksanova. - Moscow : Mir publishers, 1987 - 269p. ; 20x13cm. Subjects--Topical Terms: MATHEMATICS Dewey Class. No.: 510 / KON-QUE