@article{ND_2015_11_3_a7,
     author = {A. A. Friedmann},
     title = {\"Uber {Wirbelbewegung} in einer kompressiblen {Fl\"ussigkeit}},
     journal = {Russian journal of nonlinear dynamics},
     pages = {613--620},
     year = {2015},
     volume = {11},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2015_11_3_a7/}
}