@article{IM_1981__64_142831,
     author = {Teruhiko Soma},
     title = {The {Gromov} {Invariant} of {Links.}},
     journal = {Inventiones mathematicae},
     pages = {445--454},
     publisher = {mathdoc},
     volume = {64},
     year = {1981},
     zbl = {0478.57006},
     url = {http://geodesic.mathdoc.fr/item/IM_1981__64_142831/}
}