@article{AL_2020_59_2_a0,
     author = {E. L. Efremov},
     title = {Primitive normality and primitive connectedness of the class of injective $S$-acts},
     journal = {Algebra i logika},
     pages = {155--168},
     publisher = {mathdoc},
     volume = {59},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2020_59_2_a0/}
}