@article{MZM_1967_2_1_a9,
     author = {Yu. A. Brychkov and Yu. M. Shirokov},
     title = {Some limit formulas for generalized functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {81--90},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_2_1_a9/}
}