@article{ND_2006_2_2_a0,
     author = {K. V. Koshel and D. V. Stepanov},
     title = {Chaotic advection in two layers flow above the isolated bottom obstacle: the role of unsteady-perturbation frequency},
     journal = {Russian journal of nonlinear dynamics},
     pages = {147--164},
     publisher = {mathdoc},
     volume = {2},
     number = {2},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2006_2_2_a0/}
}