1.
H-spaces with torsion. Providence, R.I.: American Mathematical Society; 1979.
H-spaces with torsion. Providence, R.I. : American Mathematical Society, 2 mai 1979. ISBN 0-8218-2223-3
Harper John R. (1979). H-spaces with torsion. American Mathematical Society.
Style de citation MLA (8e éd.)Harper John R. H-spaces with Torsion. American Mathematical Society, 1979.
Attention : ces citations peuvent ne pas être correctes à 100%.