TY  - JOUR
AU  - M. V. Babich
TI  - Smoothness of real finite-gap solutions of equations connected with the sine-Gordon equation
JO  - Algebra i analiz
PY  - 1991
SP  - 57
EP  - 66
VL  - 3
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1991_3_1_a1/
LA  - ru
ID  - AA_1991_3_1_a1
ER  -