@article{DAN_1983_270_6_a6,
     author = {I. M. Krichever},
     title = {``Hessians'' of integrals of the {Korteweg--de} {Vries} equation and perturbations of finite-zone solutions},
     journal = {Doklady Akademii Nauk},
     pages = {1312--1317},
     publisher = {mathdoc},
     volume = {270},
     number = {6},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_270_6_a6/}
}