l-Uniform fitted mesh method for singularly perturbed differential-difference equations: mixed type of shifts with layer behavior.

Mohan K. Kadalbajoo Kapil K. Sharma l-Uniform fitted mesh method for singularly perturbed differential-difference equations: mixed type of shifts with layer behavior. 49-62 2004 81 Int. J. Comput. Math. 1 http://taylorandfrancis.metapress.com/openurl.asp?genre=article&issn=0020-7160&volume=81&issue=1&spage=49 db/journals/ijcm/ijcm81.html#KadalbajooS04