TY - GEN AU - Symposium on Groups representations and systems of differtial equations(december 20-27 , 1982;University of Tokyo) AU - Okamoto, k .,ed. ED - TI - Groups representations and systems of differtial equations : proceedings of a symposium held at University of Tokyo from December 20 until december 27, 1982 SN - 0-444-87710-x U1 - 512.2 PY - 1984/// CY - Amsterdam PB - North-Holand KW - Groups and group theory ER -