Rasaki O. Olanrewaju,  On the Efficiency and Robustness of Commingle Wiener and Lévy Driven Processes for Vasciek Model.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    October 2018, vol. 143(11). 225 - 230
    [viewed 18 October 2019]. Available from: https://publications.waset.org/pdf/10009776.