@article{10_4064_am_13_1_1_22,
     author = {R. Bartoszy\'nski},
     title = {Model of circulation and exchange of banknotes},
     journal = {Applicationes Mathematicae},
     pages = {1--22},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {1972},
     doi = {10.4064/am-13-1-1-22},
     zbl = {0261.62079},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-13-1-1-22/}
}