Le Minh Hieu*. <I style="mso-bidi-font-style: normal">Researching and building up basis functions for fourth-order differential operator in the algorithm to approximate solution differential equations by the method of moments<?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></I>. UD-JST [Internet]. 2013Oct.31 [cited 2024May19];10(71):108-13. Available from: https://jst-ud.vn/jst-ud/article/view/2438