@article{TIMM_1992_1_a10,
     author = {A. I. Subbotin},
     title = {Monotone with respect to preorder trajectories of differential equations},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {138--146},
     publisher = {mathdoc},
     volume = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_1992_1_a10/}
}