On the Constancy of the Extremal Function in the Embedding Theorem of Fractional Order
N. S. Ustinov

This publication is cited in the following articles:

1. D. E. Apushkinskaya, A. A. Arkhipova, A. I. Nazarov, V. G. Osmolovskii, N. N. Uraltseva, “A Survey of Results of St. Petersburg State University Research School on Nonlinear Partial Differential Equations. I”, Vestnik St.Petersb. Univ.Math., 57:1 (2024), 1  
2. A. I. Nazarov, A. P. Shcheglova, “New Classes of Solutions to Semilinear Equations in ${\mathbb{R}}^{n}$ with Fractional Laplacian”, J Math Sci, 283:5 (2024), 781  
3. A. I. Nazarov, A. P. Shcheglova, “Solutions with various structures for semilinear equations in $\mathbb R^n$ driven by fractional Laplacian”, Calc. Var., 62:4 (2023)    
4. A. I. Nazarov, A. P. Scheglova, “Novye klassy reshenii dlya polulineinykh uravnenii v $\mathbb R^n$ s drobnym laplasianom”, Kraevye zadachi matematicheskoi fiziki i smezhnye voprosy teorii funktsii. 49, K yubileyu Grigoriya Aleksandrovicha SEREGINA, Zap. nauchn. sem. POMI, 508, POMI, SPb., 2021, 124–133