Adamyan, V. M. (ed.) et al., Differential operators and related topics. Proceedings of the Mark Krein international conference on operator theory and applications, Odessa, Ukraine, August 18-22, 1997. Volume I. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 117, 273-280 (2000).
Proceedings of the 51st session of the International Statistical Institute, Istanbul, Turkey, August 18-26, 1997. Vol. 2. Voorburg: International Statistical Institute, 279-282 (1997).