MEGRABOV, A. G. "The group bundle, the Lax represantation, and the kinematic seismic problem" Journal of Inverse and Ill-Posed Problems, 5.6 (2009): 549-564. Retrieved 21 May. 2013, from doi:10.1515/jiip.1997.5.6.549

MEGRABOV, A. (2009). The group bundle, the Lax represantation, and the kinematic seismic problem. Journal of Inverse and Ill-Posed Problems, 5(6), pp. 487-581. Retrieved 21 May. 2013, from doi:10.1515/jiip.1997.5.6.549

MEGRABOV, A. G. 2009. The group bundle, the Lax represantation, and the kinematic seismic problem. Journal of Inverse and Ill-Posed Problems. 5(6): 487-581. Retrieved 21 May. 2013, from doi:10.1515/jiip.1997.5.6.549