@article{FPM_2007_13_1_a5,
     author = {E. V. Gorbatov},
     title = {Multiplicative orders on terms},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {101--107},
     year = {2007},
     volume = {13},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2007_13_1_a5/}
}