@article{ZNSL_1987_162_a6,
     author = {N. V. Proskurin},
     title = {Cubic symplectic theta-functions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {186--188},
     publisher = {mathdoc},
     volume = {162},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1987_162_a6/}
}