Doubly timelike surfaces/
Beem, John K., 1942-
Doubly timelike surfaces/ by John K. Beem and Peter Y. Woo. - Providence, R.I.: American Mathematical Society, 1969. - 115 p.: 26 cm. - Memoirs of the American Mathematical Society; no. 92. .
Bibliography: p. 114-115.
Metric spaces.
Topology.
Doubly timelike surfaces/ by John K. Beem and Peter Y. Woo. - Providence, R.I.: American Mathematical Society, 1969. - 115 p.: 26 cm. - Memoirs of the American Mathematical Society; no. 92. .
Bibliography: p. 114-115.
Metric spaces.
Topology.