@article{NUMA_1974__23_132293,
     author = {R.D. Russell},
     title = {Collocation for {Systems} of {Boundary} {Value} {Problems.}},
     journal = {Numerische Mathematik},
     pages = {119--134},
     publisher = {mathdoc},
     volume = {23},
     year = {1974},
     zbl = {0279.65070},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1974__23_132293/}
}