@article{AL_2017_56_4_a6,
     author = {A. A. Stepanova and D. O. Ptakhov},
     title = {$P$-stable polygons},
     journal = {Algebra i logika},
     pages = {486--505},
     publisher = {mathdoc},
     volume = {56},
     number = {4},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2017_56_4_a6/}
}