@article{10_4064_sm_39_2_155_159,
     author = {Barbara Ma\.zbic-Kulma},
     title = {Differential equations in a linear ring},
     journal = {Studia Mathematica},
     pages = {155--159},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {1971},
     doi = {10.4064/sm-39-2-155-159},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-39-2-155-159/}
}