@article{MM_1991_3_4_a6,
     author = {J. N. Grigorov and P. V. Danulov and Yu. N. Pavlovsky},
     title = {The problems of applying the mathematical models in national economy (on example of modeling the ages distribution of the engines)},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {57--66},
     publisher = {mathdoc},
     volume = {3},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1991_3_4_a6/}
}