@article{SM_1991_70_2_a4,
     author = {A. E. Tumanov},
     title = {Extension of {CR-functions} into a~wedge},
     journal = {Sbornik. Mathematics},
     pages = {385--398},
     year = {1991},
     volume = {70},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1991_70_2_a4/}
}