Level crossing and constants of motion
Subtitle: proefschrift
By: door Theodorus Petrus Valkering
Publisher: Valkering
Published: 1973
Place of publication: Twente, Netherlands]
Language: eng
Number of pages: 119
Subjects: Mathematics
Notes: Vita.

Thesis (doctoral)--Technische Hogeschool Twente.

Bibliography: p. 107-109.