@article{PismaZhETF.29.7, title = {Diffraction focusing of neutrons}, author = {Indenbom, V. L.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {29}, issue = {1}, pages = {7}, year = {1979}, doi = {}, url = {http://jetpletters.ru/ps/0/article_22005.shtml}, }