%0 Journal Article %A Ilija Lukačević %T On an Extended System of Relativistic Kinematical Quantities Some Applications in Magnetohydrodynamics %J Zbornik radova %D 1984 %P 121 %V 4 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZR_1984_4_12_a13/ %G en %F ZR_1984_4_12_a13