1. A. G. Kyurkchan and A. P. Anyutin, Dokl. Akad. Nauk 385, 309 (2002) [Dokl. Math. 66, 132 (2002)].
2. A. G. Kyurkchan and S. A. Manenkov, Radiotekh. Elektron. (Moscow) 49, 1413 (2004) [J. Commun. Technol. Electron. 49, 1319 (2004)].
3. A. G. Kyurkchan and N. I. Smirnova, Radiotekh. Elektron. (Moscow) 50, 1231 (2005) [J. Commun. Technol. Electron. 50, 1139 (2005)].
4. A. G. Kyurkchan and N. I. Smirnova, Akust. Zh. 53(2), 11 (2007) [Acoust. Phys. 53, 426 (2007)].
5. A. G. Kyurkchan and N. I. Smirnova, J. Quant. Spectrosc. Radiat. Transf. 106, 203 (2007).