TY - BOOK AU - Ivanov, Stefan P. AU - Vassilev, Dimiter N. TI - Extremals for the Sobolev inequality and the quaternionic contact yamabe problem SN - 9789814295703 U1 - 516.36 PY - 2011/// CY - New Jersey PB - World Scientific KW - Contact manifolds KW - Geometry, Differential KW - Group theory ER -