TY - BOOK AU - .Shkli︠a︡rskiĭ ,D.O AU - .Chent︠s︡ov ,N.N AU - .I︠A︡glom,I.M AU - Sussman ,Irving AU - Maykovich ,John TI - The USSR Olympiad problem book : : selected problems and theorems of elementary mathematics / SN - 0486277097 AV - QA43 .S5813 1993 PY - 1993/// CY - New York : PB - Dover , KW - Mathematics KW - Problems , exercises , etc KW - LCSH KW - Examinations KW - Study guides ER -