Open Science Research Excellence
Lv Yuhua,  Positive Solutions of Initial Value Problem for the Systems of Second Order Integro-Differential Equations in Banach Space.   journal   = {International Journal of Mathematical, Computational, Physical, Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. May 2013, vol. 77(5). 901 - 904[viewed 19 February 2019]. Available from: http://waset.org/publications/17086.