by Pier, Jean-Paul | Pier, Jean-Paul.
by Ewing, John H | Mathematical Association of America.
by Yandell, Benjamin H.
by Mashaal, Maurice | Pierrehumbert, Anna.
by Osipov, Yu. S | Bolibrukh, A. A | Sinai, Ya. G.
by Odifreddi, Piergiorgio | Sangalli, Arturo.
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