@article{Ryzhii:2005,
	author = {V. I. Ryzhii},
	title = {Microwave-induced negative conductivity and zero-resistance states
in two-dimensional electronic systems: history and current status
},
	publisher = {Physics-Uspekhi},
	year = {2005},
	journal = {Phys. Usp.},
	volume = {48},
	number = {2},
	pages = {191-198},
	url = {https://ufn.ru/en/articles/2005/2/j/},
	doi = {10.1070/PU2005v048n02ABEH002104}
}