APA

L.A. CONDRATYEVA - V. S.SOLOMONIK, .Questions and Problems in High-School Mathematics. : .

Chicago

L.A. CONDRATYEVA - V. S.SOLOMONIK, .Questions and Problems in High-School Mathematics. : .

Harvard

L.A. CONDRATYEVA - V. S.SOLOMONIK, .Questions and Problems in High-School Mathematics. : .

MLA

L.A. CONDRATYEVA - V. S.SOLOMONIK, .: . .