@article{ljs21013,
 author={Yakubu, D. G. and Kwami, A. M. and Gazali, A. M. and Maksha, A. I.},
 year={2012},
 title={High Order A-stable Continuous General Linear Methods for Solution of Systems of Initial Value Problems in ODEs},
 journal={Leonardo J. Sci.},
 volume={11},
 number={21},
 pages={13-32},
 url={http://ljs.academicdirect.org/A21/013_032.pdf}
}