@article{IM2_1977_11_4_a3,
     author = {M. Sh. Farber},
     title = {Duality in an infinite cyclic covering and even-dimensional knots},
     journal = {Izvestiya. Mathematics },
     pages = {749--781},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1977_11_4_a3/}
}