Mark sequences in digraphs. Pirzada, S.; Samee, U. — 2005 Séminaire Lotharingien de Combinatoire [electronic only]
Some results on a generalized useful information measure. Khan, Abul Basar; Bhat, Bilal Ahmad; Pirzada, S. — 2005 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]