@article{UFA_2020_12_1_a2,
     author = {Kh. K. Ishkin and R. I. Marvanov},
     title = {Equivalence criterion for two asymptotic formulae},
     journal = {Ufa mathematical journal},
     pages = {30--42},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2020_12_1_a2/}
}