[1]
B. Bekbolat, D. B. Nurakhmetov, N. Tokmagambetov и G. H. Aimal Rasa 2019. ON THE MINIMALITY OF SYSTEMS OF ROOT FUNCTIONS OF THE LAPLACE OPERATOR IN THE PUNCTURED DOMAIN. Известия НАН РК. Серия физико-математическая. 4 (авг. 2019), 92–109.