@article{BNYMS_1891__1_186455,
     author = {Mansfield Merriman},
     title = {A {Problem} in {Least} {Squares.}},
     journal = {Bulletin of the New York Mathematical Society},
     pages = {39--42},
     publisher = {mathdoc},
     volume = {1},
     year = {1891},
     zbl = {23.0241.01},
     url = {http://geodesic.mathdoc.fr/item/BNYMS_1891__1_186455/}
}