@article{1103842278,
author = {H\aa j\'\i \v cek, Petr},
title = {Extensions of the Taub and ${\rm NUT}$ spaces and extensions of their tangent bundles},
journal = {Comm. Math. Phys.},
volume = {16},
number = {1},
year = {1970},
pages = { 109-126},
language = {en},
url = {http://dml.mathdoc.fr/item/1103842278}
}
Håjíček, Petr. Extensions of the Taub and ${\rm NUT}$ spaces and extensions of their tangent bundles. Comm. Math. Phys., Tome 16 (1970) no. 1, pp. 109-126. http://gdmltest.u-ga.fr/item/1103842278/