APA (7th ed.) Citation

Vel, M. v. d. (1983). Pseudo-boundaries and pseudo-interiors for topological convexities. Państwowe Wydawnictwo Naukowe.

Chicago Style (17th ed.) Citation

Vel, M. van de. Pseudo-boundaries and Pseudo-interiors for Topological Convexities. Warszawa: Państwowe Wydawnictwo Naukowe, 1983.

MLA (9th ed.) Citation

Vel, M. van de. Pseudo-boundaries and Pseudo-interiors for Topological Convexities. Państwowe Wydawnictwo Naukowe, 1983.