TY - BOOK AU - Tyagi,Ishwar Singh TI - Principles of quantum mechanics SN - 9788131773352 (pbk) U1 - 530.12 PY - 2013///, 2019 CY - Noida PB - Dorling Kindersley (India) Pvt. Ltd. KW - Quantum theory KW - Quantum physics KW - Quantum mechanics KW - Stationary methods KW - Perturbation theory KW - Delta function KW - FBSH N1 - Includes bibliographical references, appendixes and index ER -