@article{MZ_1940__46_168920,
     author = {G., Lyra},
     title = {\"Uber den {Zusammenhang} einiger {Reihens\"atze}},
     journal = {Mathematische Zeitschrift},
     pages = {627--634},
     publisher = {mathdoc},
     volume = {46},
     year = {1940},
     zbl = {66.0258.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1940__46_168920/}
}