@article{10_4064_ap_10_3_309_322,
     author = {M. Kwapisz},
     title = {Solution of linear systems of differential equations by the use of the method of successive approximations},
     journal = {Annales Polonici Mathematici},
     pages = {309--322},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {1961},
     doi = {10.4064/ap-10-3-309-322},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-10-3-309-322/}
}