before i, ě, ę and possibly before e. This pronunciation is not mandatory, though: they may as well be written and pronounced hard. Soft consonants are
, 编, A Survey and Future Vision of Double Auctions-Based Autonomous Cloud Service Negotiations, Recent Trends in Data ScienceandSoft Computing 843 (Springer
Measures of HardScience, SoftScience, Technology, and Nonscience", in Nelson, C. E. & Pollock, D.K. (eds.), Communication among Scientists and Engineers