Vladeva, Dimitrinka. “Properties of the Maximum Likelihood Estimation of Constant Drift and Diffusion Parameters in $k$-Dimensional Diffusion Process Observed at Discrete Random Sampling”. Ann. Sofia Univ. Fac. Math. and Inf. 93 (December 12, 2001): 61–71. Accessed April 4, 2025. https://ftl5.uni-sofia.bg./index.php/fmi/article/view/204.