Srivastava, B.N. . Essentials of Quantum Mechanics / Textual Documents B.N. Srivastava. - 2nd ed. / - Agra : Pragati Prakasan , 1970. - ix, 383p. : ill ; 22cm . - Vol. II- Subjects--Index Terms: Physics Quantum Mechanics Mechanics-Quantum PG-Physics Dewey Class. No.: 531 / Sr 38 Es