@article{MM2_1972__6_154089,
     author = {Dieter Landers and Lothar Rogge},
     title = {Joint {Convergence} of {Conditional} {Expectations.}},
     journal = {Manuscripta mathematica},
     pages = {141--146},
     publisher = {mathdoc},
     volume = {6},
     year = {1972},
     zbl = {0231.60006},
     url = {http://geodesic.mathdoc.fr/item/MM2_1972__6_154089/}
}