@文章{zbMATH03736266，作者={吉野正美}，Title={关于{Goursat}问题的可解性和数论函数}，FJournal＝{杜克数学期刊}，期刊={Duke Math.J.}，ISSN={0012-7094}，体积={48}，页码={685--696}，年份={1981}，语言={英语}，DOI={10.1215/S0012-7094-81-04837-7}，关键词={35G05,35A05,11A25,35P10}，zbMATH={3736266}，Zbl={0469.35034}}