https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763013332301&signature=125f6a9e0fd2f2fc3814add318ff6731&articleTitle=Fundamental+Numerical+Methods+for+Electrical+Engineering&articleAuthor=Stanis%C5%82aw+Ros%C5%82oniec&publicationTitle=Fundamental+Numerical+Methods+for+Electrical+Engineering&language=&publicationType=1&publishYear=2008&isn=9783540795186&publisher=Springer+Berlin+Heidelberg