1.
Extremals for the Sobolev Inequality and the Quaternionic Contact Yamabe Problem
by Ivanov, Stefan P.
ISBN: 9789814295703
List Price: $89.00
2.
Quaternionic Contact : Einstein Structures and the Quaternionic Contact Yamabe Problems
by Ivanov, Stefan P., Minchev,...
ISBN: 9780821898437
List Price: $65.00