@book{ Solr-7354980, title = {Foundations of Software Technology and Theoretical Computer Science : 11th Conference, New Delhi, India, December 17-19, 1991. Proceedings}, series = {Lecture notes in computer science,}, author = {Biswas, Somenath}, editor = {Nori, Kesav V.}, editor = {SpringerLink (Online service)}, address = {Berlin, Heidelberg}, publisher = {Springer Berlin Heidelberg}, year = {1991}, url = {http://dx.doi.org/10.1007/3-540-54967-6} }