@article{DAN_1963_149_4_a2,
     author = {L. V. Zhizhiashvili},
     title = {Conjugate functions of two variables and double {Fourier} series},
     journal = {Doklady Akademii Nauk},
     pages = {765--768},
     publisher = {mathdoc},
     volume = {149},
     number = {4},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_149_4_a2/}
}