The non-piecewise-linear autonomous system. I. More details on the periodic waveforms
1983 ◽
Vol 66
(10)
◽
pp. 1-10
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2007 ◽
Vol 17
(11)
◽
pp. 3965-3983
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2001 ◽
Vol 11
(03)
◽
pp. 865-869
◽
2012 ◽
Vol 36
(2)
◽
pp. 159-170
1977 ◽
Vol 77
(1-2)
◽
pp. 163-175
◽
1969 ◽
Vol 9
(3)
◽
pp. 349-357
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