By Stelle K.   in Proceedings of the Steklov Institute of Mathematics

ISSN:0081-5438|272|1|246-255

MAIK Nauka/Interperiodica‎(2011)‎

Access to resources Favorite 16.362902

By Kalkkinen J.   Stelle K.S.   in Journal of Geometry and Physics

ISSN:0393-0440|48|1|100-132

Elsevier‎(2003)‎

Access to resources Favorite 3.0860522