@article{AL_2013_52_1_a5,
     author = {Yu. L. Ershov},
     title = {Integral closure of a~valuation ring in a~finite extension},
     journal = {Algebra i logika},
     pages = {84--91},
     publisher = {mathdoc},
     volume = {52},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2013_52_1_a5/}
}