@article{MS2_1990__66_1_167100,
     author = {G\"unter K\"ohler},
     title = {Some eta-identities arising from theta series.},
     journal = {Mathematica Scandinavica},
     pages = {147--154},
     publisher = {mathdoc},
     volume = {66},
     number = {1},
     year = {1990},
     zbl = {0687.10016},
     url = {http://geodesic.mathdoc.fr/item/MS2_1990__66_1_167100/}
}