@article{FAA_1987_21_2_a4,
     author = {I. M. Krichever and S. P. Novikov},
     title = {Algebras of virasoro type, riemann surfaces and structures of the theory of solitons},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {46--63},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1987_21_2_a4/}
}