# (N + α)-Order low-pass and high-pass filter transfer functions for non-cascade implementations approximating butterworth response

> Research article (Fractional Calculus and Applied Analysis, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3192110564](https://www.wikidata.org/wiki/openalex:W3192110564)  
**Source**: https://4ort.xyz/entity/n-order-low-pass-and-high-pass-filter-transfer-functions-for-non-cascade-implementations-approximating-butterworth-respo