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@article{KUIPM_1979_a12, author = {E. A. Begovatov and A. V. Lapin}, title = {Diffusion approximation in closed queueing systems}, journal = {Issledovaniya po Prikladnoi Matematike i Informatike}, pages = {95--102}, publisher = {mathdoc}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUIPM_1979_a12/} }
E. A. Begovatov; A. V. Lapin. Diffusion approximation in closed queueing systems. Issledovaniya po Prikladnoi Matematike i Informatike, Issledovaniya po Prikladnoi Matematike (1979), pp. 95-102. http://geodesic.mathdoc.fr/item/KUIPM_1979_a12/