@article{DAN_1985_284_1_a5,
     author = {L. V. Zhizhiashvili},
     title = {Conjugate functions of several variables and multiple conjugate},
     journal = {Doklady Akademii Nauk},
     pages = {34--35},
     publisher = {mathdoc},
     volume = {284},
     number = {1},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_284_1_a5/}
}