@article{10_1017_S001708950000834X,
     author = {Gopalsamy, K. and He, Xue-Zhong and Wen, Lizhi},
     title = {On a periodic neutral logistic equation},
     journal = {Glasgow mathematical journal},
     pages = {281--286},
     year = {1991},
     volume = {33},
     number = {3},
     doi = {10.1017/S001708950000834X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708950000834X/}
}