@article{VMUMM_1990_6_a14,
     author = {E. A. R{\cyro}san{\cyro}va},
     title = {$p$-adic estimates for linear forms and polynomials for power series of a certain class},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {61--63},
     year = {1990},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1990_6_a14/}
}