@misc{10_4153_CMB_1992_063_1,
     title = {Conditions for the {Separability} of {Objects} in {Two-Dimensional} {Velocity} {Fields}},
     journal = {Canadian mathematical bulletin},
     pages = {484--491},
     year = {1992},
     volume = {35},
     number = {4},
     doi = {10.4153/CMB-1992-063-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-063-1/}
}