TY - BOOK AU - Dass, H. K. AU - Verma, Rajnish AU - Verma, Rama TI - Mathematical physics SN - 978-93-528-3722-9 U1 - 530.15 23rd. PY - 2026/// CY - New Delhi PB - S. Chand Publishing KW - Mathematical physics UR - www.schandpublishing.com ER -