@article{DAN_1995_343_1_a9,
     author = {K. E. Starkov},
     title = {New conditions for the observability of nonlinear systems for},
     journal = {Doklady Akademii Nauk},
     pages = {33--35},
     year = {1995},
     volume = {343},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_343_1_a9/}
}