update README

Author: thierrymoudiki

README.md

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 # Genbooster
 
-A fast gradient boosting and bagging (RandomBagClassifier, similar to RandomForestClassifier) implementation using Rust and Python. Any base learner can be employed. Base learners input features are engineered using a randomized  artificial neural network layer.
+A fast gradient boosting and bagging (RandomBagClassifier, similar to RandomForestClassifier) implementation using Rust and Python. Any base learner can be employed. Base learners input features are engineered using a randomized artificial neural network layer.
+
+For more details, see also [https://www.researchgate.net/publication/386212136_Scalable_Gradient_Boosting_using_Randomized_Neural_Networks](https://www.researchgate.net/publication/386212136_Scalable_Gradient_Boosting_using_Randomized_Neural_Networks).
 
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