@article{JIS_2017__20_6_a4,
     author = {Chen,  Kevin and Zhao,  Jianqiang},
     title = {Supercongruences involving multiple harmonic sums and {Bernoulli} numbers},
     journal = {Journal of integer sequences},
     year = {2017},
     volume = {20},
     number = {6},
     zbl = {1422.11001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2017__20_6_a4/}
}