TY - BOOK AU - Okamoto,K (ed) TI - Group representation & systems of differential equations: proceedings of a symposium held at university of tokyo from dec 20-27, 1982 T2 - Advanced studies in pure mathematics 4 SN - 0 444 8710 X U1 - 10.13 PY - 1984/// CY - Tokyo & Amsterdam PB - Kinokuniya & North-Holland ER -