@article{JETPL.113.112, title = {Multiparticle Effects in the Spectrum of Collective Excitations of Strongly Interacting Two-Dimensional Electron Systems (Brief Review)}, author = {Van?kov, A. B. and Kukushkin, I. V.}, journal = {JETP Lett.}, volume = {113}, issue = {2}, pages = {102}, year = {2021}, doi = {10.1134/S0021364021020090}, url = {http://jetpletters.ru/ps/dx/10.31857/S1234567821020063}, note = {[Pisma v ZhETF 113, 112 (2021)]} }