TY - JOUR AU - W. Ruppert TI - A note on the location of joint discontinuity. JO - Semigroup forum PY - 1985 SP - 173 EP - 182 VL - 32 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1985__32_134777/ ID - SF_1985__32_134777 ER -