00975nam a2200277 i 450099100085577970753620020507174620.0990315s1970 us ||| | eng 0132683008b10766832-39ule_instLE01303363ExLDip.to Matematicaeng512.73AMS 11-01Pettofrezzo, Anthony J.535268Elements of number theory /Anthony J. Pettofrezzo, Donald R. ByrkitEnglewood Cliffs, N. J :Prentice-Hall,c1970xii, 244 p. ;24 cm.Number theory-textbooksByrkit, Donald R..b1076683221-09-0628-06-02991000855779707536LE013 11-XX PET11 (1970)12013000108568le013-E0.00-l- 02020.i1086305928-06-02Elements of number theory923392UNISALENTOle01301-01-99ma -engus 01