@article{PMF_1919_30_1_a1,
     author = {Rajchman, Aleksander},
     title = {O szeregach trygonometrycznych, sumowalnych metod\k{a} {Poissona}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {19--88},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1919},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1919_30_1_a1/}
}