Nikolaj Nekrasov Soneto pri Espteranto , Esperanta antologio: poemoj 1887–1981 (''Esperanto Anthology: poems 1887–1981) — Rotterdam, 1984, pp.
The reference provides information about a specific poem by Nikolaj Nekrasov titled "Soneto pri Espteranto" included in an anthology of Esperanto poetry published in Rotterdam in 1984.