From 28f7c9a2bf14f9868ac32992b6295d4433e9e886 Mon Sep 17 00:00:00 2001
From: "Antonio M. Sudoso" <67047300+antoniosudoso@users.noreply.github.com>
Date: Sun, 27 Feb 2022 17:33:24 +0100
Subject: [PATCH] Update README.md

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 9abd6aa..e7451dd 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,11 @@ List of state of the art papers focus on deep learning and resources, code and e
 
 ### 2021
 
+- [A machine learning approach for forecasting hierarchical time series](https://www.sciencedirect.com/science/article/pii/S0957417421005431)
+
+  - P. Mancuso, et al.
+  - Code not yet.
+
 - [Autoformer: Decomposition Transformers with Auto-Correlation for Long-Term Series Forecasting](https://arxiv.org/abs/2106.13008)
 
   - Haixu Wu, et al.