1.
Brower CR, Ponomarenko V. On the Monotonicity of the Number of Positive Entries in Nonnegative Four Element Matrix Powers. PUMP J. Undergrad. Res. [Internet]. 2020 Feb. 18 [cited 2024 Nov. 21];3:26-3. Available from: https://journals.calstate.edu/pump/article/view/2233