TY - JOUR AU - Narayan, K.L. AU - Paparao, A.V. TI - A prey-predator model with a cover linearly varying with the prey population and an alternative food for the predator. JO - International journal of open problems in computer science and mathematics PY - 2009 SP - 416 VL - 2 IS - 3 UR - http://geodesic.mathdoc.fr/item/IJOPCM_2009__2_3_233149/ LA - en ID - IJOPCM_2009__2_3_233149 ER -