@article{701273,
     title = {Martingale theorems in the ergodic theory},
     booktitle = {Proceedings of the 10th Winter School on Abstract Analysis},
     series = {GDML\_Books},
     publisher = {Circolo Matematico di Palermo},
     address = {Palermo},
     year = {1982},
     pages = {[187]-[191]},
     mrnumber = {MR0683780},
     zbl = {0496.60042},
     url = {http://dml.mathdoc.fr/item/701273}
}

Mesiar, Radko. Martingale theorems in the ergodic theory, dans Proceedings of the 10th Winter School on Abstract Analysis, GDML_Books,  (1982), pp. [187]-[191]. http://gdmltest.u-ga.fr/item/701273/