@article{VMUMM_1991_5_a14,
     author = {M. V. Gal'tsov and A. D. Solov'ev},
     title = {A very simple model for testing complex programs},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {74--76},
     publisher = {mathdoc},
     number = {5},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1991_5_a14/}
}