@article{DAN_1995_340_3_a0,
     author = {N. S. Bakhvalov and M. \`E. \`Eglit},
     title = {Explicit computation of the effective characteristics of},
     journal = {Doklady Akademii Nauk},
     pages = {295--299},
     publisher = {mathdoc},
     volume = {340},
     number = {3},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_340_3_a0/}
}