@article{DAN_1984_279_4_a2,
     author = {A. P. Veselov and S. P. Novikov},
     title = {Finite-gap two-dimensional {Schr\"odinger} operators. {Potential} operators},
     journal = {Doklady Akademii Nauk},
     pages = {784--788},
     publisher = {mathdoc},
     volume = {279},
     number = {4},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_279_4_a2/}
}