[Справочник]
[Сноски]
[Функциональный анализ и приближенные методы 73]
L. Kantorovitch. The method of successive approximations for functional equations // Acta Math. (Uppsala), 1939, v. 71, p. 63-97.
L. Kantorovitch. The method of successive approximations for functional equations // Acta Math. (Uppsala), 1939, v. 71, p. 63-97.