1. Novel Condensation of Cyclohexanone with Urea
2. The Reaction of Urea with Cyclic 1,3-Dicarbonyl and Other Active Hydrogen Compounds
3. �ber das Tetrahydrospiro [cyclohexan-1,2?(1?H)-chinazolin]-4?(3?H)-on
4. A. V. Upadysheva, N.D. Grigor’eva and A. P. Znamenskaya, Khim. Geterotsikl. Soedin., 1977, 1549.[Chem. Heterocycl. Compd. (Engl. Transl.), 1977, 13, 1240].
5. A. V. Upadysheva, N.D. Grigor’eva, Yu. S. Ryabokobylko and A. P. Znamenskaya, Khim. Geterotsikl. Soedin., 1983, 107.[Chem. Heterocycl. Compd. (Engl. Transl.), 1983, 19, 95].