@article{RM_1997_52_4_a22,
     author = {A. V. Zarelua and A. A. Mal'tsev and S. P. Novikov},
     title = {Heiner {Zieschang} (on his 60th birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {881--885},
     publisher = {mathdoc},
     volume = {52},
     number = {4},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1997_52_4_a22/}
}