@article{RM_1990_45_3_a4,
     author = {A. A. Butov},
     title = {A~limit theorem for a~birth and death process in a~random medium of functional type},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {216--217},
     publisher = {mathdoc},
     volume = {45},
     number = {3},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1990_45_3_a4/}
}