00266nam a2200097 a 450000500170000010000170001724500380003426000360007230000270010849000330013520251202164318.0  aCooke, Roger  aMathematics of Sonya Kevalavshaya  aNew YorkbSpringer Verlagc1984  axiii,234p.b22 cm.cHB  aProblem Books In Mathematics