@InCollection{zbMATH01749240,
Author = {Gromov, Misha},
Title = {Mesoscopic curvature and hyperbolicity},
BookTitle = {Global differential geometry: the mathematical legacy of Alfred Gray. Proceedings of the international congress on differential geometry held in memory of Professor Alfred Gray, Bilbao, Spain, September 18--23, 2000},
ISBN = {0-8218-2750-2},
Pages = {58--69},
Year = {2001},
Publisher = {Providence, RI: American Mathematical Society (AMS)},
Language = {English},
Keywords = {53C23,53C24},
zbMATH = {1749240},
Zbl = {1006.53036}
}