The stability of the solution of a system of linear differential equations with periodic coefficients
1990 ◽
Vol 70
(3)
◽
pp. 163-172
1961 ◽
Vol 25
(4)
◽
pp. 1187-1191
1964 ◽
Vol 12
(2)
◽
pp. 487-496
◽
1965 ◽
Vol 1
(2)
◽
pp. 206-221
◽
1977 ◽
Vol 9
(2)
◽
pp. 233-234