McDowell, C.H..
A Dictionary of Mathematics : Arithmetic and Algebra / vol. 1 McDowell C.H.. - London : Mathematical Dictionaries, 1949. - 40 s.; 25 cm.
A Dictionary of Mathematics : Arithmetic and Algebra / vol. 1 McDowell C.H.. - London : Mathematical Dictionaries, 1949. - 40 s.; 25 cm.