The extension of Johnson's homomorphism form the Torelli group to the mapping class group.
Morita, Shigeyuki
Inventiones mathematicae, Tome 114 (1993), p. 197-224 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1993-01-01
EUDML-ID : urn:eudml:doc:144076 
@article{GDZPPN002110547,
     title = {The extension of Johnson's homomorphism form the Torelli group to the mapping class group.},
     journal = {Inventiones mathematicae},
     volume = {114},
     year = {1993},
     pages = {197-224},
     zbl = {0787.57008},
     url = {http://dml.mathdoc.fr/item/GDZPPN002110547}
}

Morita, Shigeyuki. The extension of Johnson's homomorphism form the Torelli group to the mapping class group.. Inventiones mathematicae, Tome 114 (1993) pp. 197-224. http://gdmltest.u-ga.fr/item/GDZPPN002110547/