@article{AL_2018_57_6_a1,
     author = {E. Yu. Daniyarova and A. G. Myasnikov and V. N. Remeslennikov},
     title = {Algebraic {Geometry} {Over} {Algebraic} {Structures.} {IX.} {Principal} {Universal} {Classes} and {Dis-Limits}},
     journal = {Algebra i logika},
     pages = {639--661},
     publisher = {mathdoc},
     volume = {57},
     number = {6},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2018_57_6_a1/}
}