@article{AL_2021_60_1_a1,
     author = {V. V. Verbovskiy and A. B. Dauletiyarova},
     title = {Piecewise monotonicity for unary functions in $o$-stable groups},
     journal = {Algebra i logika},
     pages = {23--38},
     publisher = {mathdoc},
     volume = {60},
     number = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2021_60_1_a1/}
}