@article{10_21136_MB_2021_0072_19,
     author = {Majumder, Sujoy and Mandal, Rajib},
     title = {Generalizations on the results of {Cao} and {Zhang}},
     journal = {Mathematica Bohemica},
     pages = {65--94},
     publisher = {mathdoc},
     volume = {147},
     number = {1},
     year = {2022},
     doi = {10.21136/MB.2021.0072-19},
     mrnumber = {4387469},
     zbl = {07547242},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2021.0072-19/}
}