Zahid Rafique Bhatti Basic group theory - Lahore Ilmi Kitab Khana - x, 278 p. : ill. ; 23.5 cm. ISBN: (pbk) Subjects--Topical Terms: FBSH--Group theory --Normal subgroups--Subgroups of a group--Lagrange's theorem--Homomorphisms --Conjugacy classes--Permutation groups Dewey Class. No.: 512.2 / ZAH