Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_1956__1_4_a12, author = {Langhans, Kurt}, title = {M\v{e}\v{r}en{\'\i} z\'a\v{r}en{\'\i}}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {420--421}, publisher = {mathdoc}, volume = {01}, number = {4}, year = {1956}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/PMFA_1956__1_4_a12/} }
Langhans, Kurt. Měření záření. Pokroky matematiky, fyziky a astronomie, Tome 01 (1956) no. 4, pp. 420-421. http://geodesic.mathdoc.fr/item/PMFA_1956__1_4_a12/