@article{MZM_1977_21_4_a3,
     author = {G. D. Derevyanchenko and V. A. Kakichev},
     title = {The {Riemann} problem and expansion of entire functions of two variables with respect to quasiexponential bases},
     journal = {Matemati\v{c}eskie zametki},
     pages = {473--483},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1977_21_4_a3/}
}