@article{DAN_1989_306_3_a11,
     author = {S. T. Belyaev and Yu. K. Krasnov},
     title = {Intrinsic mass of a singular vortex pair},
     journal = {Doklady Akademii Nauk},
     pages = {566--570},
     publisher = {mathdoc},
     volume = {306},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_306_3_a11/}
}