@article{DE_1991_27_4_a11,
     author = {D. S. Safarov},
     title = {Doubly periodic generalized analytic functions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {656--665},
     year = {1991},
     volume = {27},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_4_a11/}
}