@article{MZM_1983_33_1_a0,
     author = {M. V. Volkov},
     title = {Varieties of associative rings with the property of embeddability of amalgams},
     journal = {Matemati\v{c}eskie zametki},
     pages = {3--13},
     year = {1983},
     volume = {33},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1983_33_1_a0/}
}