TY - JOUR AU - Peter J. Kahn TI - Counting Types of Rigid Frameworks. JO - Inventiones mathematicae PY - 1979 SP - 297 EP - 308 VL - 55 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1979__55_186137/ ID - IM_1979__55_186137 ER -