@article{RM_1980_35_5_a12,
     author = {N. M. Mustafa-Zade},
     title = {On universality for $GEU$ unitary rings},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {263--264},
     publisher = {mathdoc},
     volume = {35},
     number = {5},
     year = {1980},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1980_35_5_a12/}
}