TY - JOUR AU - Mathur, Y. D. AU - Mitter, J. TI - Some theorems on geometric measure of distortion JO - Kybernetika PY - 1975 SP - 398 EP - 410 VL - 11 IS - 6 UR - http://geodesic.mathdoc.fr/item/KYB_1975_11_6_a1/ LA - en ID - KYB_1975_11_6_a1 ER -