Makarov, A. A., and D. A. Levkin. “Boundary-Value Problems in a Layer for Evolutionary Pseudo-Differential Equations With Integral Conditions”. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics, Vol. 87, Oct. 2018, pp. 61-68, doi:10.26565/2221-5646-2018-87-05.