Linear systems of ordinary differential equations :
Erugin, Nikolay Pavlovich
Linear systems of ordinary differential equations : with periodic and quasi-periodic coefficients - New York : Academic Press, 1966 - 271 p. - Mathematics in science and engineering ; v.28 .
515.32 / E73
Linear systems of ordinary differential equations : with periodic and quasi-periodic coefficients - New York : Academic Press, 1966 - 271 p. - Mathematics in science and engineering ; v.28 .
515.32 / E73