@article{MM2_1992__77_2-3_155773,
     author = {W. Kucharz and M. Buchner},
     title = {Algebraic, {Rational,} and homological equivalence of real cycles.},
     journal = {Manuscripta mathematica},
     pages = {105--112},
     publisher = {mathdoc},
     volume = {77},
     number = {2-3},
     year = {1992},
     zbl = {0812.14004},
     url = {http://geodesic.mathdoc.fr/item/MM2_1992__77_2-3_155773/}
}