Galvanomagnetic effects in layered conductors with quasi-two-dimension
al electron energy spectrum are studied theoretically. The magnitoresi
stance asymptote in high magnetic field H essentially depends on orien
tation of vector H. It is shown that in nonlinear conditions, the infl
uence of the intrinsic magnetic field of stationary current on conduct
ion electron ballistics leads to excitation of the voltage auto-oscill
ations.