TY - BOOK AU - Dutta, R AU - Ray, A. K TI - Dirag and feynman:pioneers in quantum mechanics SN - 8122404936 U1 - 530.145 PY - 1993/// CY - New Delhi PB - Wiley KW - CANONICAL TRANSFORMATION KW - DIRAC EQUATION KW - GAUGE THEORY KW - PATH INTEGRALS KW - QUANTUM MECHANICS ER -