TY  - JOUR
AU  - S. K. Vodop'yanov
AU  - V. M. Gol'dstein
AU  - Yu. G. Reshetnyak
TI  - On~geometric properties of~functions with generalized first derivatives
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1979
SP  - 19
EP  - 74
VL  - 34
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1979_34_1_a1/
LA  - en
ID  - RM_1979_34_1_a1
ER  -