Some Nonlinear Systems of Differential Equations Equivalent to Linear Systems
1972 ◽
Vol 94
(1)
◽
pp. 41-62
◽
1967 ◽
Vol 17
(3)
◽
pp. 418-434
◽
1965 ◽
Vol 15
(1)
◽
pp. 75-83
◽
1982 ◽
Vol 13
(2)
◽
pp. 23-34
◽