@article{MABA_1990_4_3-4_a13,
     author = {Victor Eijkhout and Svetozar Margenov},
     title = {Preconditioned {Iterative} {Solution} of {Spline} {Finite} {Element} {Systems}},
     journal = {Mathematica balkanica},
     pages = {350},
     publisher = {mathdoc},
     volume = {4},
     number = {3-4},
     year = {1990},
     url = {http://geodesic.mathdoc.fr/item/MABA_1990_4_3-4_a13/}
}