"dvoretsky s stochastic approximation theorem" in German Dvoretsky's stochastic approximation theorem Dvoretsky'sches Theorem über stochastische Näherung Detailed translations for "dvoretsky s stochastic approximation theorem" Dvoretsky's stochastic approximation theorem Dvoretsky's stochastic approximation theorem Dvoretsky'sches Theorem über stochastische Näherung