Integrating steps for solving second- and third-order nonhomogeneous linear ordinary differential equations
1965 ◽
Vol 19
(2)
◽
pp. 117-148
◽
2014 ◽
Vol 58
(1)
◽
pp. 183-197
◽
1954 ◽
Vol 5
(6)
◽
pp. 1000