@article{IM2_2003_67_5_a7,
     author = {A. A. Tolstonogov},
     title = {Bogolyubov's theorem under constraints generated by a~controlled second-order evolution system},
     journal = {Izvestiya. Mathematics },
     pages = {1031--1060},
     publisher = {mathdoc},
     volume = {67},
     number = {5},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2003_67_5_a7/}
}