On existence and global attractivity of periodic solutions of nonlinear delay differential equations
1999 ◽
Vol 234
(1)
◽
pp. 77-90
◽
1980 ◽
Vol 74
(2)
◽
pp. 494-503
◽
1996 ◽
Vol 197
(2)
◽
pp. 529-547
◽
2021 ◽
Vol 1849
(1)
◽
pp. 012014