Zh. Cao et Dj. Evans, ON HYBRID V-CYCLE VERSION(I) ALGEBRAIC MULTILEVEL PRECONDITIONINGS, International journal of computer mathematics, 57(1-2), 1995, pp. 115-126
A hybrid V-cycle algebraic multilevel preconditioning method is presen
ted in the paper which generalises an earlier method proposed by Axels
son and Vassilevski [2].