TY  - JOUR
AU  - L. L. Beskorovainaya
TI  - Canonical $A$-deformations preserving the lengths of lines of curvature on a~surface
JO  - Sbornik. Mathematics
PY  - 1975
SP  - 151
EP  - 164
VL  - 26
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1975_26_2_a0/
LA  - en
ID  - SM_1975_26_2_a0
ER  -