TY  - JOUR
AU  - B. A. Dubrovin
AU  - S. P. Novikov
TI  - A periodicity problem for the Korteweg–de Vries and Sturm–Liouville equations. Their connection with algebraic geometry
JO  - Doklady Akademii Nauk
PY  - 1974
SP  - 531
EP  - 534
VL  - 219
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/DAN_1974_219_3_a3/
LA  - ru
ID  - DAN_1974_219_3_a3
ER  -