@article{10_14708_cm_v51i2_5316,
     author = {D.P. Shukla and Shikha Pandey},
     title = {On {Unitary} {Analogue} of \(f_g\)-perfect numbers and {\(\Psi_s\)-perfect} numbers},
     journal = {Commentationes Mathematicae},
     pages = { 141--153},
     publisher = {mathdoc},
     volume = {51},
     number = {2},
     year = {2011},
     doi = {10.14708/cm.v51i2.5316},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v51i2.5316/}
}