On m-paracompact spaces II M. K. Singal; S. P. Arya — 1973 Commentationes Mathematicae The article contains no abstract
Some generalizations of paracompactness Singal, M. K. — 1971 General Topology and Its Relations to Modern Analysis and Algebra
On a theorem of Michael-Morita-Hanai Singal, M. K.; Shashi, Prabha Arya — 1977 General topology and its relations to modern analysis and algebra IV