Leukemic cells possess the ability to proliferate indefinitely. These cells stay in certain stage of blood cell development and lose their capacities to undergo terminal differentiation. Forced ...

Proceedings of the American Mathematical Society, Vol. 36, No. 2 (Dec., 1972), pp. 485-490 (6 pages) This paper is concerned with differentiation of interval functions appearing in interval analysis.

Earlier D.Đ. Tošić obtained an infinite series representation for the central difference operator ${\delta _\theta }f\left( z \right) = f\left( {z' + \frac{1}{2}h ...