@article{IM_1969__8_141978,
     author = {J. LEVINE},
     title = {Invariants of {Knot} {Cobordism.}},
     journal = {Inventiones mathematicae},
     pages = {98--110},
     publisher = {mathdoc},
     volume = {8},
     year = {1969},
     zbl = {0179.52401},
     url = {http://geodesic.mathdoc.fr/item/IM_1969__8_141978/}
}