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https://bravikov.wordpress.com/2017/01/22/%d1%81%d0%bf%d1%80%d0%b0%d0%b2%d0%be%d1%87%d0%bd%d0%b8%d0%ba-%d0%bf%d0%b5%d1%80%d0%b5%d1%85%d0%be%d0%b4%d0%bd%d1%8b%d0%b5-%d0%bf%d1%80%d0%be%d1%86%d0%b5%d1%81%d1%81%d1%8b/
Справочник. Переходные процессы в электрических цепях