@article{NUMA_1960__2_131449,
     author = {J.  jr. DOUGLAS},
     title = {A {Numerical} {Method} for the {Solution} of a {Parabolic} {System.}},
     journal = {Numerische Mathematik},
     pages = {91--98},
     publisher = {mathdoc},
     volume = {2},
     year = {1960},
     zbl = {0093.13503},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1960__2_131449/}
}