TY - BOOK AU - Demidenko Gennadii V AU - Uspenski Staniclav V TI - Partial Differential Equations and Systems not Solvable with Respect to the Highest Order Derivative SN - 9780824740399 U1 - 515.353 DEM PY - 2003/// CY - USA PB - Marcel Dekker KW - Demidenko Gennadii V KW - Partial Differential Equations System ER -