@article{MM_1990_2_12_a0,
     author = {I. S. Litvinchev and V. I. Tsurkov},
     title = {Optimal control dynamic models with cross connection},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {3--16},
     publisher = {mathdoc},
     volume = {2},
     number = {12},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1990_2_12_a0/}
}