@article{10_4064_ap_8_3_215_239,
     author = {C. Kluczny},
     title = {On the characteristic exponents of the solutions of a system of ordinary differential equations},
     journal = {Annales Polonici Mathematici},
     pages = {215--239},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {1960},
     doi = {10.4064/ap-8-3-215-239},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-8-3-215-239/}
}