@article{NUMA_1986__49_133128,
     author = {Takashi Suzuki and Hiroshi Fujita},
     title = {A {Remark} on the {L...} {Bounds} of the {Ritz} {Operator} {Associated} with a {Finite} {Element} {Approximation.}},
     journal = {Numerische Mathematik},
     pages = {529--544},
     publisher = {mathdoc},
     volume = {49},
     year = {1986},
     zbl = {0616.65106},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1986__49_133128/}
}