@article{AL_2015_54_2_a5,
     author = {Yu. L. Ershov},
     title = {How to find (compute) a~separant},
     journal = {Algebra i logika},
     pages = {236--242},
     publisher = {mathdoc},
     volume = {54},
     number = {2},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2015_54_2_a5/}
}