Sushchestvovanie i edinstvennostʹ resheni︠i︡a linearizovannogo uravneni︠i︡a Bolʹ︠t︡smana s neuprugimi stolknoveni︠i︡ami - Alekseev, B. V. (Boris Vladimirovich) (Soobshcheni︠i︡a po prikladnoĭ matematike., 1985)