@article{GDZPPN002087790,
title = {Invariants of Knot Cobordism.},
journal = {Inventiones mathematicae},
volume = {9},
year = {1969},
pages = {98-110},
zbl = {0179.52401},
url = {http://dml.mathdoc.fr/item/GDZPPN002087790}
}
LEVINE, J. Invariants of Knot Cobordism.. Inventiones mathematicae, Tome 9 (1969) pp. 98-110. http://gdmltest.u-ga.fr/item/GDZPPN002087790/