@article{TAM_1988_14_1_a13,
     author = {P. C. Ram},
     title = {Effects of {Hall} current on free convenction and mass transfer flow through a porous medium},
     journal = {Theoretical and applied mechanics},
     pages = {139 },
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1988},
     url = {http://geodesic.mathdoc.fr/item/TAM_1988_14_1_a13/}
}