Gupta, S. L. Advanced quantum theory and field / S. L. Gupta and I. D. Gupta. - New Delhi : S. Chand and Company ltd. c1982. - viii, 632 p. : ill. ; 22 cm. - Nuclear physics. B . Includes bibliographical references and index. English. LCCN: 98216809 Subjects--Topical Terms: Quantum field theory--Congresses. LC Class. No.: QC770 QC174.45.A1 / .N772 vol. 58 Dewey Class. No.: 535.15/GUA