We have not succeeded in answering all our problems. The answers we have found only serve to raise a whole set of new questions. In some ways we feel we are as confused as ever, but we believe we are confused on a higher level, and about more important things.
Bernt Øskendal
Stochastic Differential Equations:
An Introduction with Applications (1985)
Stochastic Differential Equations:
An Introduction with Applications (1985)