@article{FPM_2012_17_1_a12,
     author = {A. A. Stepanova and G. I. Baturin},
     title = {Regular $S$-acts with primitive normal and antiadditive theories},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {223--232},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2012_17_1_a12/}
}