TY - BOOK AU - Derksen,H & Kemper,G ED - Kemper, G TI - Computational invariant theory T2 - Encyclopedia of mathematical sciences 130 SN - 9783540434764 U1 - 11.01 PY - 2002/// CY - Berlin PB - Springer N1 - Invariant Theory & Algebraic Transformation Groups I ER -