Free Quotients of Congruence Subgroups of SL2 Over a Coordinate Ring.
Mason, A.W.
Mathematische Zeitschrift, Tome 199 (1988), p. 39-52 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1988-01-01
EUDML-ID : urn:eudml:doc:173908 
@article{GDZPPN002434814,
     title = {Free Quotients of Congruence Subgroups of SL2 Over a Coordinate Ring.},
     journal = {Mathematische Zeitschrift},
     volume = {199},
     year = {1988},
     pages = {39-52},
     zbl = {0619.20031},
     url = {http://dml.mathdoc.fr/item/GDZPPN002434814}
}

Mason, A.W. Free Quotients of Congruence Subgroups of SL2 Over a Coordinate Ring.. Mathematische Zeitschrift, Tome 199 (1988) pp. 39-52. http://gdmltest.u-ga.fr/item/GDZPPN002434814/