@article{IVM_1993_4_a1,
     author = {I. I. Akhmetgaleev},
     title = {Estimates for solutions of differential equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {48--57},
     publisher = {mathdoc},
     number = {4},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1993_4_a1/}
}