@article{10_4064_am_21_2_153_159, author = {S. Trybu{\l}a}, title = {Some problems of prediction of the difference of random variables}, journal = {Applicationes Mathematicae}, pages = {153--159}, publisher = {mathdoc}, volume = {21}, number = {2}, year = {1991}, doi = {10.4064/am-21-2-153-159}, zbl = {0741.62007}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/am-21-2-153-159/} }