@article{AUCMP_1968__9_1_a2, author = {Van\'ysek, V.}, title = {The lifetime of {C}$_2$ and {CN} molecules in cometary atmospheres}, journal = {Acta Universitatis Carolinae. Mathematica et Physica}, pages = {53--56}, publisher = {mathdoc}, volume = {09}, number = {1}, year = {1968}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUCMP_1968__9_1_a2/} }