@article{CM_1935__2__247_0,
     author = {Baer, Reinhold},
     title = {Zentrum und {Kern} von {Gruppen} mit {Elementen} unendlicher {Ordnung}},
     journal = {Compositio Mathematica},
     pages = {247--249},
     publisher = {Johnson Reprint Corporation},
     volume = {2},
     year = {1935},
     zbl = {0017.15403},
     language = {de},
     url = {http://www.numdam.org/item/CM_1935__2__247_0/}
}