@article{AL_1979_18_5_a3,
     author = {V. T. Markov},
     title = {Systems of generating $T$-ideals of finitely generated free},
     journal = {Algebra i logika},
     pages = {587--598},
     publisher = {mathdoc},
     volume = {18},
     number = {5},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1979_18_5_a3/}
}