John Ball (JohnBall0123) / Twitter
John Ball Math. John ball's main research areas lie in the calculus of variations, nonlinear partial differential.
John ball's main research areas lie in the calculus of variations, nonlinear partial differential.
John ball's main research areas lie in the calculus of variations, nonlinear partial differential. John ball's main research areas lie in the calculus of variations, nonlinear partial differential.
