b'\n_START_ARTICLE_\nDumitru Botnaru\n_START_SECTION_\nSurse\n_START_PARAGRAPH_\nSeria "Matematica aplicat\xc4\x83 \xc8\x99i industrial\xc4\x83, 24", Matematicini rom\xc3\xa2ni de pretutindeni. Edit\xc8\x9ba a II. Editura P\xc4\x83m\xc3\xa2ntul, 2006. ISBN 973-8280-90-7, 978-973-8280-90-8'