@article{DAN_1972_205_2_a2,
     author = {Yu. A. Brychkov},
     title = {On the order of singularity of generalized functions relative to a part of the variables},
     journal = {Doklady Akademii Nauk},
     pages = {271--273},
     year = {1972},
     volume = {205},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_205_2_a2/}
}