@article{nielsen:1909:edv,
    author = {Nielsen, N.},
     title = {Der {E}ulersche {D}ilogarithmus und seine {V}erallgemeinerungen},
   journal = {Nova Acta Leopoldina},
    volume = {90},
     pages = {123–212},
 publisher = {Deutsche Akad. Naturforscher Leopoldina},
   address = {Halle},
      year = {1909},
     zblno = {40.0478.01}}