R Chapko

1 та иш

1. Сарлавҳасиз

   N.T. Orumbayeva, M Otelbayev, Ualbai Umirbaev +77

   БошқаBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20220 иқтибос

   ABIABI:AkademIndex/openalex/2022.other.001270