books.google.com - This book is intended for readers who are quite familiar with probability and stochastic processes but know little or nothing about ?nance. It is written in the de?nition/theorem/proof style of modern mathematics and attempts to explain as much of the ?nance motivation and terminology as possible. A...https://books.google.com/books/about/Methods_of_Mathematical_Finance.html?id=Srpq9Hoj4eMC&q=formula&utm_source=gb-gplus-shareMethods of Mathematical Finance