@article{ZNSL_1974_47_a15,
     author = {A. A. Lodkin},
     title = {A~lemma on approximation of finite-dimensional $*$-algebras},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {175--178},
     year = {1974},
     volume = {47},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1974_47_a15/}
}