@article{MZ_1986__192_173743,
     author = {Ryszard Urbanski},
     title = {On {Modular} {Spaces} over a {Field} with {Valuation.}},
     journal = {Mathematische Zeitschrift},
     pages = {405--408},
     publisher = {mathdoc},
     volume = {192},
     year = {1986},
     zbl = {0629.46067},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__192_173743/}
}