@article{PMFA_1994__39_6_a0,
     author = {Zhang, D. Z.},
     title = {C. {N.} {Yang} a sou\v{c}asn\'a matematika},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {305--317},
     publisher = {mathdoc},
     volume = {39},
     number = {6},
     year = {1994},
     mrnumber = {1323112},
     zbl = {0833.01034},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1994__39_6_a0/}
}