@article{VMUMM_1990_3_a12,
     author = {I. S. Grebenyuk and A. E. Ordanovich},
     title = {Free flight of ``a kyte'' with a land air brake in a gradient flow},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {62--66},
     publisher = {mathdoc},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1990_3_a12/}
}