@article{MAT_1964_8_4_a5,
     author = {J. G. Wendel},
     title = {Spitzer's formula: a short proof},
     journal = {Matematika},
     pages = {151--154},
     publisher = {mathdoc},
     volume = {8},
     number = {4},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1964_8_4_a5/}
}