ASYMPTOTIC REPRESENTATIONS OF SLOWLY VARYING SOLUTIONS OF SECOND-ORDER DIFFERENTIAL EQUATIONS WHICH HAS A RIGHT-HAND SIDE CONTAINING THE NONLINEARITIES OF DIFFERENT TYPES
1975 ◽
Vol 77
(1)
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pp. 159-169
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2012 ◽
Vol 241
(22)
◽
pp. 2003-2009
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Asymptotic representations of solutions of essentially nonlinear second-order differential equations
2007 ◽
Vol 43
(10)
◽
pp. 1340-1352
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2017 ◽
Vol 40
(14)
◽
pp. 5295-5306
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