@article{702316,
     title = {Integral and asymptotic equivalence of two systems of differential equations},
     booktitle = {Equadiff 5},
     series = {GDML\_Books},
     publisher = {BSB B.G. Teubner Verlagsgesellschaft},
     address = {Leipzig},
     year = {1982},
     pages = {329-338},
     zbl = {0524.34041},
     url = {http://dml.mathdoc.fr/item/702316}
}

Švec, Marko. Integral and asymptotic equivalence of two systems of differential equations, dans Equadiff 5, GDML_Books,  (1982), pp. 329-338. http://gdmltest.u-ga.fr/item/702316/