@article{10_4064_ap_32_3_215_234,
     author = {Micha{\l} Kowalski},
     title = {Linear independence in linear rings with abstract differentiation},
     journal = {Annales Polonici Mathematici},
     pages = {215--234},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {1976},
     doi = {10.4064/ap-32-3-215-234},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-32-3-215-234/}
}