@article{IJOPCM_2008__1_1_129785,
     author = {Narayan, K.L. and Ramacharyulu, N.CH.P.},
     title = {A prey-predator model with an alternative food for the predator, harvesting of both the species and with a gestation period for interaction.},
     journal = {International Journal of Open Problems in Computer Science and Mathematics. IJOPCM},
     pages = {71},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {2008},
     zbl = {1159.34346},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJOPCM_2008__1_1_129785/}
}