@article{107168, author = {Josef Niederle}, title = {Conditions for trivial principal tolerances}, journal = {Archivum Mathematicum}, volume = {019}, year = {1983}, pages = {145-152}, zbl = {0538.08002}, mrnumber = {725197}, language = {en}, url = {http://dml.mathdoc.fr/item/107168} }
Niederle, Josef. Conditions for trivial principal tolerances. Archivum Mathematicum, Tome 019 (1983) pp. 145-152. http://gdmltest.u-ga.fr/item/107168/
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