TY  - JOUR
AU  - G. A. Chumakov
TI  - The Riemannian metric of harmonic parametrization of geodesic quadrangles on surfaces of constant curvature
JO  - Matematičeskie trudy
PY  - 1992
SP  - 133
EP  - 151
VL  - 22
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MT_1992_22_a6/
LA  - ru
ID  - MT_1992_22_a6
ER  -