Wir mussen wissen, Wir werden wissen. Original: https://link.springer.com/chapter/10.1007/978-3-662-38452-7_24 ENG ver.: http://math.sfsu.edu/smith/Document...
“If you’re me, then it’s easy to get carried away messing around with calculus. Go ahead and eat your doughnuts however you like them.” References: Original...