@article{AM2_1982__25_136975,
     author = {Harshinder Singh},
     title = {On some regularity properties of quadratic stochastic processes. {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {316--316},
     publisher = {mathdoc},
     volume = {25},
     year = {1982},
     url = {http://geodesic.mathdoc.fr/item/AM2_1982__25_136975/}
}