Alekna, Petras. “The Boundary Riemann Problem of the Power-Logarithmic Order of Infinity Index for the Half-Plane”. Lietuvos matematikos rinkinys 45, no. spec. (December 18, 2005): 73–77. Accessed November 6, 2025. https://www.zurnalai.vu.lt/LMR/article/view/24556.