@article{JETPL.114.444, title = {Diagnostics of Nanosystems with the Use of Ultrashort X-Ray Pulses: Theory and Experiment (Brief Review)}, author = {Eseev, M. K. and Matveev, V. I. and Makarov, D. N.}, journal = {JETP Lett.}, volume = {114}, issue = {7}, pages = {387}, year = {2021}, doi = {10.1134/S0021364021190061}, url = {http://jetpletters.ru/ps/dx/10.31857/S1234567821190034}, note = {[Pisma v ZhETF 114, 444 (2021)]} }