@article{DAN_1991_318_4_a19, author = {A. S. Monin}, title = {On the definition of coherent structures}, journal = {Doklady Akademii Nauk}, pages = {853--856}, publisher = {mathdoc}, volume = {318}, number = {4}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_4_a19/} }