\Bibitem{Mal20} \by S.~Malamanov \paper Ýëåêòðîäèíàìè÷åñêèé âîäîìåò \jour Kvant \yr 2020 \issue 6 \pages 30--31 \mathnet{http://mi.mathnet.ru/kvant1182} \crossref{https://doi.org/10.4213/kvant20200604}