TY - BOOK AU - Komech, Alexander TI - Principles of partials differentials equations: problem books in mathematics SN - 9781493976294 (pbk) U1 - 518 PY - 2018/// CY - India PB - Springer KW - Mathematics KW - Differentials equation KW - Partials differential KW - Green functions KW - FBSH N1 - Includes index ER -