@article{10_4064_sm_14_2_272_275,
     author = {V. Pt\'ak},
     title = {On theorem of {W.F.} {Eberlein}},
     journal = {Studia Mathematica},
     pages = {272--275},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {1953},
     doi = {10.4064/sm-14-2-272-275},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-14-2-272-275/}
}