@article{10_4064_am_17_1_55_66,
     author = {Zofia {\L}awniczak},
     title = {On least square estimation of second order stochastic processes with discrete time},
     journal = {Applicationes Mathematicae},
     pages = {55--66},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1980},
     doi = {10.4064/am-17-1-55-66},
     zbl = {0471.60042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-17-1-55-66/}
}