Bounds for total antieigenvalue of a normal operator. - Sk Monowar Hossein; Kinkar Chandra Das; Lokenath Debnath; Kallol Paul (Int. J. Math. Math. Sci., 2004)

On Numerical Radius of a Matrix and Estimation of Bounds for Zeros of a Polynomial. - Kallol Paul; Santanu Bag (Int. J. Math. Math. Sci., 2012)

Estimation of bounds for the zeros of a polynomial using numerical radius. - Kallol Paul; Santanu Bag (Appl. Math. Comput., 2013)