Boolean metric spaces/
Penning, Christiaan Jan, 1931-
Boolean metric spaces/ Christiaan Jan Penning. - Assen: Van Gorcum, [1960]. - 70 p.: ill., diagrs.; 25 cm.
Vita. "Stellingin" ([3] p.) inserted. Errata slip inserted.
Proefschrift--Technische Hogeschool te Delft, 1960.
Bibliography: p. 69-70.
Algebra, Boolean.
514.3 / P414b
Boolean metric spaces/ Christiaan Jan Penning. - Assen: Van Gorcum, [1960]. - 70 p.: ill., diagrs.; 25 cm.
Vita. "Stellingin" ([3] p.) inserted. Errata slip inserted.
Proefschrift--Technische Hogeschool te Delft, 1960.
Bibliography: p. 69-70.
Algebra, Boolean.
514.3 / P414b