Name the author who published the paper on Diffusion equations and has the name Nadezhda.
Which author named Nadezhda published the paper on Diffusion equations?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/naa/AfanasyevaVV12> <https://dblp.org/rdf/schema#authoredBy> ?answer }
<https://dblp.org/rec/conf/naa/AfanasyevaVV12>