@article{FPM_2016_21_4_a9,
     author = {E. E. Shirshova},
     title = {On partially ordered algebras over fields},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {249--263},
     year = {2016},
     volume = {21},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2016_21_4_a9/}
}