POSITIVE PERIODIC SOLUTIONS OF SYSTEMS OF FUNCTIONAL DIFFERENTIAL EQUATIONS
2005 ◽
Vol 42
(4)
◽
pp. 749-759
◽
2002 ◽
Vol 56
(1)
◽
pp. 193-202
◽
2002 ◽
Vol 7
(5)
◽
pp. 279-286
◽
2011 ◽
Vol 19
(4)
◽
pp. 347-360
◽
2004 ◽
Vol 293
(1)
◽
pp. 28-39
◽
2004 ◽
Vol 150
(1)
◽
pp. 159-168
◽
2009 ◽
Vol 229
(1)
◽
pp. 327-332
◽
2009 ◽
Vol 14
(1)
◽
pp. 19-26
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