Babuska, Ivo H. Numerical processes in differential equations / Ivo Babuska, Milan Prager and Emil Vitasek, in cooperation with R. Radok. Translated by Milada Boruvkova - London : John Wiley & Sons, 1966 - x, 351 p. : ill. ; 24 cm. Bibliography: p. 343-347 engcze LCCN: 66-019543 Subjects--Topical Terms: Differential equations--Numerical solutions