Ashirbayev, Nurgali, Zhansaya Ashirbayeva, Manat Shomanbayeva, and Shadiyar Altynbekov. 2020. “Wave Field in a Strip With Symmetric Located Holes”. Bulletin of the Karaganda University. Mathematics Series 98 (2):181-88. https://doi.org/10.31489/2020m2/181-188.