Rings which have projective coflat module Radhey S. Singh; Renu Shrivastava — 1992 Czechoslovak Mathematical Journal
On characterization of useful information-theoretic measures Om Parkash; Radhey S. Singh — 1987 Kybernetika
Lower confidence bounds for the probabilities of correct selection. Singh, Radhey S.; Kumar, Narinder — 2011 Journal of Probability and Statistics