@文章{BSMF_1975_103_113_0,author={Vigu\'e,Jean-Pierre},title={Op\'erators diff\'erentiels sur des c\^ones normaux de dimension 2},journal={法国社会数学公报},页数={113--128},publisher={Soci\'et\'e math\'ematique de France},体积={103},年份={1975年},doi={10.24033/bsmf.1796},mrnumber={56#5926},zbl={0317.32010},语言={fr},url={http://www.numdam.org/articles/10.24033/bsmf.1796/}}