Ri, Chung Bom books & textbook
Function Equations and Series via Differential Equations: Application of differential equations in calculations
Kim, Yong-Jin Ri, Chung-Bom Kim, Hyok-Chol
Scholars' Press /2023-11-14 Paperback / 116 Pages
isbn-10: 6206769895 / isbn-13: 9786206769897
