@article{MM2_1972__7_154116,
     author = {D. Landers and L. Rogge},
     title = {Existence of {Sufficient} {Regular} {Conditional} {Probabilities.}},
     journal = {Manuscripta mathematica},
     pages = {197--204},
     publisher = {mathdoc},
     volume = {7},
     year = {1972},
     zbl = {0242.62002},
     url = {http://geodesic.mathdoc.fr/item/MM2_1972__7_154116/}
}