MATHEWS P M creator text NEW DELHI MC GRAW HILL 2015 2ND monographic 467 PHYSICS TOWARDS QUANTUM MECHANICS, THE SCHRÖDINGER EQUATION AND STATIONARY STATES, GENERAL FORMALISM OF WAVE MECHANICS, EXACTLY SOLUBLE EIGENVALUE PROBLEMS, APPROXIMATION METHODS FOR STATIONARY STATES, SCATTERING THEORY, REPRESENTATIONS, TRANSFORMATIONS AND SYMMETRIES, ANGULAR MOMENTUM, EVOLUTION WITH TIME, RELATIVISTIC WAVE EQUATIONS 530.12,MAT 9780070146174