Harper, Charlie, 1931- Introduction to mathematical physics / Charlie Harper. - Englewood Cliffs, N.J. : Prentice-Hall, c1976. - xvi, 301 p. : ill. ; 24 cm. Includes index. ISBN: 0134875389 LCCN: 75028333 LC Class. No.: QC20 .H38 / .H38 Dewey Class. No.: 530.1/5