514+517.8
D229Sh


Das, B.C.



39892
42735
49761

Short course of complex variables and higher trigonometry . — C1-3rd.ed. . — Calcutta : U.N. Dhur, Publ.Dt. not found.

viii,128p. 18.5cm.

Rs.3.75 C2-this book is replaced by Prof. S.B. Basu, Math Dept.

Mathematics