https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763013342050&signature=7046f36894655ce96313eebeb4537760&articleTitle=Student%E2%80%99s+Guide+to+Calculus+by+J.+Marsden+and+A.+Weinstein&articleAuthor=Frederick+H.+Soon&publicationTitle=Student%E2%80%99s+Guide+to+Calculus+by+J.+Marsden+and+A.+Weinstein&language=&publicationType=1&publishYear=1985&isn=9780387962344&publisher=Springer+New+York