@article{MAT_1961_5_6_a4,
     author = {W. Hahn},
     title = {Bericht \"uber {Differential-Differenzengleichungen} mit festen und ver\"anderlichen {Spannen}},
     journal = {Matematika},
     pages = {73--98},
     publisher = {mathdoc},
     volume = {5},
     number = {6},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1961_5_6_a4/}
}