TY - BOOK AU - Andersson,S.I & Doebner,H.-D (eds) ED - Doebner, H.-D TI - Non-linear partial differential operators & quantization procedures: proceedings of a workshop held at clausthal federal republic of germany, 1981 T2 - Lecture notes in mathematics 1037 SN - 3540127100 U1 - 6.03+13.04+22 PY - 1983/// CY - Berlin PB - Springer ER -