@article{AM2_1972__8_136314,
     author = {D.B. Lahiri},
     title = {Hypo-Multiplicative {Number-Theoretic} {Functions.} {(Short} {Communications).}},
     journal = {Aequationes mathematicae},
     pages = {316--317},
     publisher = {mathdoc},
     volume = {8},
     year = {1972},
     url = {http://geodesic.mathdoc.fr/item/AM2_1972__8_136314/}
}