@article{JRAM_1969__236_150936,
     author = {S.A.W. Gerstl},
     title = {\"Uber einige neue summierbare {Legendre-Reihen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {131--144},
     publisher = {mathdoc},
     volume = {236},
     year = {1969},
     zbl = {0172.33803},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1969__236_150936/}
}