Pfaff's problem and its generalizations/
Schouten, J. A. b. 1883.
Pfaff's problem and its generalizations/ by J.A. Schouten and W. van der Kulk. - Oxford: Clarendon Press, 1949. - xvi, 542 p.: 25 cm.
Bibliography: p. [534]-536.
49009128 //r862
Pfaff's problem
515.35 / S376p
Pfaff's problem and its generalizations/ by J.A. Schouten and W. van der Kulk. - Oxford: Clarendon Press, 1949. - xvi, 542 p.: 25 cm.
Bibliography: p. [534]-536.
49009128 //r862
Pfaff's problem
515.35 / S376p