Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Ippen, È https://www.mathnet.ru/eng/person93032 List of publications on Google Scholar Publications in Math-Net.Ru Citations 1984 1. J. Yorz, È. Ippen, S. G. Shevel', “Picosecond lasing of mixed Zn<sub><i>x</i></sub>Cd<i><sub>1–x</sub></i>S single crystals in an external resonator”, Kvantovaya Elektronika, 11:6 (1984),  1270–1273   [Sov J Quantum Electron, 14:6 (1984), 859–860  ]