@article{GDZPPN002436744, title = {Quotients of Theta Series as Rational Functions of J and ?.}, journal = {Mathematische Zeitschrift}, volume = {202}, year = {1989}, pages = {367-374}, zbl = {0659.10023}, url = {http://dml.mathdoc.fr/item/GDZPPN002436744} }
Koo, Ja Kyung. Quotients of Theta Series as Rational Functions of J and ?.. Mathematische Zeitschrift, Tome 202 (1989) pp. 367-374. http://gdmltest.u-ga.fr/item/GDZPPN002436744/