@article{ETNA_2012__39__a23,
     author = {Sekhar, T.V.S. and Sivakumar, R. and Vimala, S. and Sanyasiraju, Y.V.S.S.},
     title = {A combined fourth-order compact scheme with an accelerated multigrid method for the energy equation in spherical polar coordinates},
     journal = {Electronic transactions on numerical analysis},
     pages = {32--45},
     publisher = {mathdoc},
     volume = {39},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2012__39__a23/}
}