00285nam a2200109Ia 4500008004100000082001500041100002100056245003300077260003300110630001800143650001400161211109s9999||||xx |||||||||||||| ||und|| a510bGRI-E aGriffin, Harriet 0aElementary Theory of Numbers bNATIONAL BOOKSTALLaKottayam xGENERAL STACK vGeneralia