TY - BOOK AU - Demidenko, Gennadii V, TI - Partial differential equations and systems not solvable with respect to the highest-order derivative / SN - 0-8247-4039-4 U1 - 515.35 PY - 2003/// CY - New York PB - Marcel Dekker KW - Differential equations KW - Derivative KW - Mathematics N1 - Includes index ER -