@article{JRAM_1847__34_147371,
     author = {E. Heine},
     title = {Untersuchungen \"uber die {Reihe} 1 + ... x2 + ... .},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {285--328},
     publisher = {mathdoc},
     volume = {34},
     year = {1847},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1847__34_147371/}
}