@article{10_4153_CJM_1998_055_0,
     author = {Chalov, P. A. and Terzio\u{g}lu, T. and Zahariuta, V. P.},
     title = {Compound {Invariants} and {Mixed} {F-,} {DF-Power} {Spaces}},
     journal = {Canadian journal of mathematics},
     pages = {1138--1162},
     year = {1998},
     volume = {50},
     number = {6},
     doi = {10.4153/CJM-1998-055-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1998-055-0/}
}