@article{10_21136_AM_2018_0097_18,
     author = {Liu, Xuefeng and Kikuchi, Fumio},
     title = {Explicit estimation of error constants appearing in non-conforming linear triangular finite element method},
     journal = {Applications of Mathematics},
     pages = {381--397},
     publisher = {mathdoc},
     volume = {63},
     number = {4},
     year = {2018},
     doi = {10.21136/AM.2018.0097-18},
     mrnumber = {3842959},
     zbl = {06945738},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.2018.0097-18/}
}