@article{RSMUP_2018__139__185_0,
     author = {Zhang, Chi and Zhang, Li and Huang, Jianhong},
     title = {On an open problem about $\pi$-quasi-$\mathfrak{F}$-groups},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {185--194},
     publisher = {European Mathematical Society Publishing House},
     address = {Zuerich, Switzerland},
     volume = {139},
     year = {2018},
     doi = {10.4171/RSMUP/139-6},
     mrnumber = {3825185},
     zbl = {1396.20012},
     url = {http://archive.numdam.org/articles/10.4171/RSMUP/139-6/}
}