Nonstationary evolution of close binaries proceedings of the multilateral coopertion between the academies of sciences of socialist countries second symposium of the problem commission physics and evolution of stars, held in Warsaro, Poland, June 20-25, 1977 - Symposium on the Problem Commission Physics and Evolution of Stars Warsaro, Poland 1977 June 20-25; Zytkow, Anna N., ed. (Warszawa PWN - Polish Scientific Publishers, 1978)
Keywords: 9; 9; 9