TY - BOOK AU - Wen Guo Chun TI - Elliptic, Hyperbolic and Mixed Complex Equations with Parabolic Degeneracy: Including Tricomi-Bers and Tricomi-Frankl-Rassias Problems SN - 9789812779434 PB - World Scientific KW - Mathematics UR - https://www.worldscientific.com/worldscibooks/10.1142/6675#t=toc ER -