@article{NUMA_1987__55_4_133358,
     author = {Q. Zheng},
     title = {\"Uber die {Existenz} von unendlich vielen periodischen {L\"osungen} einer einfachen {Temperaturregelung.}},
     journal = {Numerische Mathematik},
     pages = {327--342},
     publisher = {mathdoc},
     volume = {55},
     number = {4},
     year = {1987},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1987__55_4_133358/}
}